<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <style>
        span {
            color: red;
        }

        a {
            text-decoration: none;
        }

    </style>

</head>
<body>
<!--
    span          用来区分样式的
-->

<a href="http://apeclass"><span>12306</span>抢票</a>
</body>
</html>